023
FXUS65 KBYZ 061034
AFDBYZ
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BILLINGS MT
334 AM MST THU NOV 6 2025
KEY MESSAGES
- STRONG WIND GUSTS (40-60MPH) ALONG THE WESTERN FOOTHILLS TODAY.
TRAVEL IMPACTS TO I-90 AND US-191 POSSIBLE. STRONG WINDS DEVELOP
AGAIN FROM LIVINGSTON TO NYE TONIGHT.
- GUSTY WINDS (30-40MPH) OVER THE REST OF THE AREA THIS
AFTERNOON, WITH SLIGHTLY WEAKER WINDS FRIDAY.
- COLD FRONT FRIDAY NIGHT MAY PRODUCE LIGHT SNOW ACCUMULATIONS
(DUSTING TO AN INCH) FOR AREAS EAST OF HARDIN BY SATURDAY
MORNING.
- GUSTY WINDS EXPECTED FRIDAY NIGHT INTO SATURDAY MORNING
(30-40MPH) OVER MUCH OF THE AREA.
DISCUSSION
TODAY THROUGH WEDNESDAY...
STRONG WINDS HAVE BEEN OBSERVED OVERNIGHT ALONG THE WESTERN
FOOTHILLS (40 TO 60 MPH), AHEAD OF AND WITH A WEAK COLD FRONT
PUSHING THROUGH THE AREA. EXPECT THE COLD FRONT TO MOVE THROUGH
THE FAR SOUTHEAST BY DAYBREAK, WITH STRONG TO GUSTY WESTERLY WINDS
DEVELOPING OVER THE AREA BEHIND THE FRONT BY AFTERNOON. STRONGEST
WINDS WILL BE FOUND ALONG THE WESTERN FOOTHILLS LATER THIS
MORNING INTO THE AFTERNOON WITH GUSTS OF 50 TO 60 MPH EXPECTED.
ELSEWHERE, WEST TO NORTHWEST WIND GUSTS OF 30 TO 40 MPH CAN BE
EXPECTED THIS AFTERNOON AS WINDS MIX DOWN. WINDS WILL DECREASE
OVER MUCH OF THE AREA HEADED INTO THIS EVENING, WITH STRONG WINDS
EXPECTED TO PERSIST FROM LIVINGSTON TO NYE TONIGHT INTO FRIDAY
MORNING. AS A RESULT, HAVE EXTENDED THE WIND ADVISORY OUT THROUGH
NOON FRIDAY. SHOWERS WILL MOVE OVER AND NEAR THE MOUNTAINS AND
FOOTHILLS TODAY INTO THIS EVENING. LIGHT SNOW ACCUMULATIONS (UP TO
2 INCHES) CAN BE EXPECTED ON WEST FACING ASPECTS IN THE
MOUNTAINS.
AFTER A VERY BRIEF PERIOD OF SHORTWAVE RIDGING TONIGHT INTO FRIDAY
MORNING, THE NEXT SHORTWAVE WILL SLIDE FROM WEST TO EAST INTO
NORTHERN MT, WRAPPING UP INTO AN UPPER LOW, BRINGING COOLER
TEMPERATURES, ANOTHER ROUND OF GUSTY WINDS AND RAIN/SNOW (25 TO
80% CHANCE, GREATEST OVER THE MOUNTAINS). GUSTY W TO NW WINDS ARE
EXPECTED TO SPREAD OVER THE AREA FRIDAY AFTERNOON INTO FRIDAY
NIGHT, WITH GUSTS OF 40 TO 50 MPH FOR THE WESTERN FOOTHILLS, AND
30 TO 40 MPH ELSEWHERE. AS THE UPPER LOW DIVES SOUTH AND EAST INTO
THE DAKOTAS, PRECIPITATION IS EXPECTED TO WRAP AROUND AND INTO
SOUTHEAST MT FRIDAY NIGHT INTO SATURDAY MORNING. WITH COOLER AIR
DUMPING IN, SNOW IS POSSIBLE OVER SOUTHEAST MONTANA. THE LATEST
NBM PROBABILITIES SHOW WIDESPREAD CHANCES FOR A DUSTING OF SNOW
(>0.1") AT 40% OR HIGHER FOR THIS AREA, WITH PROBABILITIES FOR AN
INCH OR MORE OF SNOW ACCUMULATION CONFINED MAINLY TO HIGHER
ELEVATIONS OF CARTER/FALLON/POWDER RIVER COUNTIES AT 30-40%. THOSE
WITH TRAVEL PLANS SATURDAY MORNING EAST OF BILLINGS SHOULD BE
PREPARED FOR THE POTENTIAL FOR LIGHT SNOW AND LOCALLY SLICK TRAVEL
CONDITIONS. SEVERAL INCHES OF SNOW ARE POSSIBLE OVER THE
MOUNTAINS, GREATEST OVER THE BEARTOOTH/ABSAROKAS (3 TO 6 INCHES).
DRIER CONDITIONS WORK INTO THE AREA FOR SATURDAY AFTERNOON, WITH
COOL NORTHWEST FLOW PERSISTING THROUGH SUNDAY. TEMPERATURES ARE
FORECAST TO RANGE FROM THE 40S OVER THE WEST TO THE 30S OVER THE
EAST ON SATURDAY, WITH TEMPERATURES IN THE 50S OVER THE WEST AND
UPPER 30S TO LOWER 40S EAST ON SUNDAY. LOW TEMPERATURES SATURDAY
NIGHT ARE FORECAST TO BOTTOM OUT INTO THE TEENS TO LOWER 20S MOST
PLACES. RIDGING IS PROGGED TO BUILD INTO THE REGION FROM THE WEST
EARLY NEXT WEEK, WITH WARM AND DRY CONDITIONS CONTINUING THROUGH
AT LEAST WEDNESDAY, WITH PERIODS OF FOOTHILLS WIND POSSIBLE. HIGHS
WILL PUSH BACK INTO THE 50S AND LOWER 60S MONDAY THROUGH
WEDNESDAY. STP
AVIATION
WINDS WILL SHIFT TO THE WEST/NORTHWEST OVERNIGHT AS A COLD FRONT
PUSHES THROUGH. EXPECT LOW LEVEL WIND SHEAR FOR KBIL AND KMLS
OVERNIGHT, ENDING AROUND SUNRISE. STRONG SOUTHWEST GAP WINDS WILL
CONTINUE FOR KLVM, WITH THE STRONGEST WINDS (UP TO 50 KTS)
EXPECTED DURING THE OVERNIGHT HOURS. ISOLATED SNOW SHOWERS OVER
HIGH TERRAIN WILL LIKELY CREATE OBSCURATIONS. GUSTY WEST/NORTHWEST
WINDS WILL SPREAD OVER THE AREA TODAY (25-50 KTS, STRONGEST ALONG
THE WESTERN FOOTHILLS). TS
PRELIMINARY POINT TEMP/POPS
TDY FRI SAT SUN MON TUE WED
-------------------------------------------------------
BIL 060 035/055 035/049 024/051 036/063 043/064 037/059
0/N 04/W 12/J 00/B 00/B 00/B 00/B
LVM 054 034/049 024/046 024/055 035/063 039/061 035/059
2/W 16/W 10/B 00/B 00/B 00/B 00/B
HDN 061 031/056 033/046 021/050 028/065 038/063 032/059
1/N 05/W 32/W 00/B 00/B 01/B 10/B
MLS 062 032/054 029/038 016/042 027/062 039/060 032/054
0/N 02/W 32/J 00/B 00/B 00/B 00/U
4BQ 061 034/056 032/040 020/044 030/063 040/060 034/056
0/N 12/W 32/J 00/B 00/B 00/B 00/U
BHK 060 029/051 024/034 010/039 020/058 033/057 029/053
0/N 00/B 42/J 00/B 00/B 00/B 00/U
SHR 059 029/057 029/044 019/050 029/067 036/062 032/059
2/W 24/W 42/J 00/B 00/B 00/B 00/U
BYZ WATCHES/WARNINGS/ADVISORIES
MT...WIND ADVISORY IN EFFECT UNTIL NOON MST FRIDAY FOR ZONES
65-66.
WY...NONE.
WEATHER.GOV/BILLINGS
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